T. Keenan, U. Niinemets, S. Sabate, C. Gracia, and J. Peñuelas, Process based inventory of isoprenoid emissions from European forests: model comparisons, current knowledge and uncertainties, Atmos. Chem. Phys. Discuss, vol.9, pp.6147-6206, 2009.

S. M. Owen, C. Boissard, and C. N. Hewitt, Volatile organic compounds (VOCs) emitted from 40 Mediterranean plant species: VOC speciation and extrapolation to habitat scale, Atmos. Env, vol.35, pp.5393-5409, 2001.

K. Sindelarova, C. Granier, I. Bouarar, A. Guenther, S. Tilmes et al., Global data set of biogenic VOC emissions calculated by the MEGAN model over the last 30 years, Atmos. Chem. Phys, vol.14, pp.9317-9341, 2014.
URL : https://hal.archives-ouvertes.fr/hal-00985526

V. Velikova, Isoprene as a tool for plant protection against abiotic stresses, J. Plant Interact, vol.3, pp.1-15, 2008.

K. Visakorpi, S. Gripenberg, Y. Malhi, C. Bolas, I. Oliveras et al., Small-scale indirect plant responses to insect herbivory could have major impacts on canopy photosynthesis and isoprene emission, New Phytol, vol.220, pp.799-810, 2018.

T. D. Sharkey and R. K. Monson, Isoprene research -60 years later, the biology is still enigmatic, Plant Cell Env, vol.40, pp.1671-1678, 2017.

J. Peñuelas and J. Llusià, Plant VOC emissions: making use of the unavoidable, Trends Plant Sci, vol.19, 2004.

V. Velikova, T. D. Sharkey, and F. Loreto, Stabilization of thylakoid membranes in isoprene-emitting plants reduces formation of reactive oxygen species, Plant Signal. Behav, vol.7, pp.139-141, 2012.

A. C. Ryan, C. N. Hewitt, M. Possell, C. E. Vickers, A. Purnell et al., Isoprene emission protects photosynthesis but reduces plant productivity during drought in transgenic tobacco (Nicotiana tabacum) plants, New Phytol, vol.201, pp.205-216, 2014.

V. Velikova, A. Edreva, and F. Loreto, Endogenous isoprene protects Phragmites australis leaves against singlet oxygen, Physiol. Plant, vol.122, pp.219-225, 2004.

H. P. Affek and D. Yakir, Protection by isoprene against singlet oxygen in leaves, Plant Physiol, vol.129, pp.269-277, 2002.

T. D. Sharkey and S. Yeh, Isoprene emissions from plants, Annu Rev Plant Physiol Plant Mol Biol, p.32, 2001.

F. Loreto and V. Velikova, Isoprene produced by leaves protects the photosynthetic apparatus against ozone damage, quenches ozone products, and reduces lipid peroxidation of cellular membranes, Plant Physiol, vol.127, pp.1781-1787, 2001.

V. Velikova, S. Fares, and F. Loreto, Isoprene and nitric oxide reduce damages in leaves exposed to oxidative stress, Plant Cell Env, vol.31, pp.1882-1894, 2008.

T. D. Sharkey, X. Y. Chen, and S. Yeh, Isoprene increases thermotolerance of fosmidomycin-fed leaves, Plant Physiol, vol.125, 2001.

J. Peñuelas, J. Llusia, D. Asensio, and S. Munne-bosch, Linking isoprene with plant thermotolerance, antioxidants and monoterpene emissions, Plant Cell Env, vol.28, pp.278-286, 2005.

A. C. Genard-zielinski, C. Fernandez, C. Boissard, C. Kalokridis, V. Gros et al., Variability of BVOC emissions from a Mediterranean mixed forest in southern France with a focus on Quercus pubescens, Atmos. Chem. Phys, vol.14, pp.17225-17261, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01235007

S. D. Polade, D. W. Pierce, D. R. Cayan, A. Gershunov, and M. D. Dettinger, The key role of dry days in changing regional climate and precipitation regimes, Sci. Rep, 2014.

R. M. Borges, J. Bessière, and M. Hossaert-mckey, The chemical ecology of seed dispersal in monoecious and dioecious Figures, Funct. Ecol, 2008.

S. J. Himanen, J. D. Blande, T. Klemola, J. Pulkkinen, J. Heijari et al., Betula spp.) leaves adsorb and re-release volatiles specific to neighbouring plants -a mechanism for associational herbivore resistance?, New Phytol, vol.186, pp.722-732, 2010.

Ü. Niinemets, S. Fares, P. Harley, and K. Jardine, Bidirectional exchange of biogenic volatiles with vegetation: emission sources, reactions, breakdown and deposition (English), Plant Cell Env, vol.37, pp.1790-1809, 2014.

J. Tissier, L. Lambs, J. P. Peltier, and G. Marigo, Relationships between hydraulic traits and habitat preference for six Acer species occurring in the French Alps, Ann. Sci, vol.61, pp.81-86, 2004.
URL : https://hal.archives-ouvertes.fr/hal-00883831

A. Saunier, E. Ormeño, M. Havaux, H. Wortham, B. Ksas et al., Resistance of native oak to recurrent drought conditions simulating predicted climatic changes in the Mediterranean region, Plant Cell Env, vol.41, pp.2299-2312, 2018.
URL : https://hal.archives-ouvertes.fr/hal-01907454

A. C. Genard-zielinski, C. Boissard, E. Ormeño, J. Lathière, I. M. Reiter et al., Seasonal variations of Quercus pubescens isoprene emissions from an in natura forest under drought stress and sensitivity to future climate change in the Mediterranean area, Biogeosciences, vol.15, pp.4711-4730, 2018.
URL : https://hal.archives-ouvertes.fr/hal-02094266

A. Saunier, E. Ormeño, C. Boissard, H. Wortham, B. Temime-roussel et al., Effect of mid-term drought on Quercus pubescens BVOCs' emission seasonality and their dependency on light and/or temperature, Atmos. Chem. Phys, vol.17, pp.7555-7566, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01584246

C. Kalogridis, V. Gros, R. Sarda-esteve, B. Langford, B. Loubet et al., Concentrations and fluxes of isoprene and oxygenated VOCs at a French Mediterranean oak forest, Atmos. Chem. Phys, vol.14, pp.10085-10102, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01766522

E. L. Singsaas, M. Lerdau, K. Winter, and T. D. Sharkey, Isoprene Increases Thermotolerance of Isoprene-Emitting Species, Plant Physiol, vol.115, p.1413, 1997.

S. Delfine, O. Csiky, G. Seufert, and F. Loreto, Fumigation with exogenous monoterpenes of a non-isoprenoidemitting oak (Quercus suber): monoterpene acquisition, translocation, and effect on the photosynthetic properties at high temperatures, New Phytol, vol.146, pp.27-36, 2000.

L. O. Copolovici, I. Filella, J. Llusia, U. Niinemets, and J. Penuelas, The capacity for thermal protection of photosynthetic electron transport varies for different monoterpenes in Quercus ilex, Plant Physiol, vol.139, pp.485-496, 2005.

F. Loreto, A. Forster, M. Durr, O. Csiky, and G. Seufert, On the monoterpene emission under heat stress and on the increased thermotolerance of leaves of Quercus ilex fumigated with selected monoterpenes, Plant Cell Env, vol.21, pp.101-107, 1998.

F. Loreto and S. Fineschi, Reconciling functions and evolution of isoprene emission in higher plants, New Phytol, vol.206, pp.578-582, 2015.

S. Pollastri, T. Tsonev, and F. Loreto, Isoprene improves photochemical efficiency and enhances heat dissipation in plants at physiological temperatures, J. Exp. Bot, vol.65, pp.1565-1570, 2014.

V. Velikova, C. Müller, A. Ghirardo, T. M. Rock, M. Aichler et al., Knocking Down of Isoprene Emission Modifies the Lipid Matrix of Thylakoid Membranes and Influences the Chloroplast Ultrastructure in Poplar1, Plant Physiol, vol.168, pp.859-870, 2015.

M. E. Siwko, S. J. Marrink, A. H. De-vries, A. Kozubek, A. Uiterkamp et al., Does isoprene protect plant membranes from thermal shock? A molecular dynamics study, Biochim. Biophys. Acta-Biomembr, vol.1768, pp.198-206, 2007.

N. Zeinali, M. Altarawneh, D. Li, J. Al-nu'airat, and B. Z. Dlugogorski, New Mechanistic Insights: Why Do Plants Produce Isoprene?, Acs Omega, vol.1, pp.220-225, 2016.

C. E. Vickers, J. Gershenzon, M. T. Lerdau, and F. Loreto, A unified mechanism of action for volatile isoprenoids in plant abiotic stress, Nat. Chem. Biol, vol.5, pp.283-291, 2009.

A. C. Genard-zielinski, E. Ormeño, C. Boissard, and C. Fernandez, Isoprene emissions from Downy Oak under water limitation during an entire growing season: what cost for growth? Plos One, vol.9, p.112418, 2014.

M. Santonja, C. Fernandez, T. Gauquelin, and V. Baldy, Climate change effects on litter decomposition: intensive drought leads to a strong decrease of litter mixture interactions, Plant Soil, vol.393, pp.69-82, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01359609

A. Saunier, E. Ormeño, H. Wortham, B. Temime-roussel, C. Lecareux et al., Chronic Drought Decreases Anabolic and Catabolic BVOC Emissions ofQuercus pubescensin a Mediterranean Forest, Front. Plant Sci, vol.8, p.71, 2017.

É. Hideg, C. Barta, T. Kálai, I. Vass, K. Hideg et al., Detection of Singlet Oxygen and Superoxide with Fluorescent Sensors in Leaves Under Stress by Photoinhibition or UV Radiation, Plant Cell Physiol, vol.43, pp.1154-1164, 2002.

Y. Qin, M. Lu, and X. Gong, Dihydrorhodamine 123 is superior to 2,7-dichlorodihydrofluorescein diacetate and dihydrorhodamine 6G in detecting intracellular hydrogen peroxide in tumor cells, Cell Biol. Int, vol.32, pp.224-228, 2008.

M. B. De-albuquerque, R. C. Santos, L. M. Lima, P. Melo-filho, R. J. De-a.;-mansur-custodio-nogueira et al., Allelopathy, an alternative tool to improve cropping systems, A review. Agron. Sustain. Dev, vol.31, pp.379-395, 2011.

F. Bussotti and G. Gerosa, Are the Mediterranean forests in Southern Europe threatened from ozone?, J. Mediterr. Ecol, vol.3, pp.23-34, 2002.

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